Effect of B Vitamin Supplementation on Lactic Acid Production by Lactobacillus casei
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概要
- 論文の詳細を見る
Various nitrogen sources were compared with yeast extract (YE) in terms of their usefulness for efficient lactic acid production by Lactobacillus casei subsp. rhamnosus. None of these nitrogen sources gave lactic acid concentrations as high as that for YE during 48 h of fermentation. On the basis of the amount of B vitamins in YE, various amounts of five esesntial B vitamins known to support the growth of L. casei wre supplemented together with the nitrogen sources. The addition of B vitamins at less than 25 mg/l enhanced the lactic acid production to some extent in all cases except for the media supplemnted with nitrogen soures of casein origin. The most significant increase was obtained with the N-Z-Soy peptone medium, in which the production of lactic acid after 48h of fermentation was 2.2-fold higher than that witout vitamin supplementation. Half of the YE in a medium supplemented with 10 g/l YE could be replaced by B vitamins at less than 25 mg/l and 3.3 g/l N-Z-Soy peptone witout a significant decrease in the rate of lactic acid production.
- 公益社団法人日本生物工学会の論文
- 1997-08-25
著者
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LEE Eun
Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan College of
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Moon Seung-hyeon
Department Of Environmental Science And Engineering Kwangju Institute Of Science And Technology
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Chang Yong
Department Of Chemical Engineering And Bio Process Engineering Research Center Korea Advaned Institu
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Chang Ho
Department Of Chemical Engineering And Bio Process Engineering Research Center Korea Advanced Instit
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YOO IK-KEUN
Department of Chemical Engineering and Bio Process Engineering Research Center, Korea Advanced Insti
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Yoo Ik-keun
Department Of Chemical Engineering And Bio Process Engineering Research Center Korea Advanced Instit
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Lee Eun
Department Of Anesthesiology And Pain Medicine Asan Medical Center University Of Ulsan College Of Me
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Lee Eun
Department Of Chemical Engineering And Bio Process Engineering Research Center Korea Advaned Institu
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Chang Yong
Department Of Chemical And Biomolecular Engineering Korea Advanced Institute Of Science And Technolo
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